DEL RIO, EDUARDO. ON ACCURATE GEOID MODELING: DERIVATION OF DIRICHLET PROBLEMS THAT GOVERN GEOIDAL UNDULATIONS AND GEOID MODELING BY MEANS OF THE FINITE DIFFERENCE METHOD AND A HYBRID METHOD. Boletim de Ciências Geodésicas, [S. l.], v. 20, n. 2, 2014. DOI: 10.5380/bcg.v20i2.36746. Disponível em: https://revistas.ufpr.br/bcg/article/view/36746. Acesso em: 5 mar. 2026.